Hardware museum

All video cards based on R7xx architecture

Manufacturer	Name	GPU	GPU clock	ROPs	TMUs	PS / VS \| Unified Shaders	RAM size	RAM type	RAM clock	Bus width	TDP	Year
Sapphire	Radeon HD 4670	RV730	750 MHz	8	32	- / - \| 320	512 MB	GDDR3	2000 MHz	128 bit	59 W	2008
Sapphire	Radeon HD 4770	RV740	750 MHz	16	32	- / - \| 640	512 MB	GDDR5	3600 MHz	128 bit	80 W	2009
Asus	Radeon HD 4830	RV770	575 MHz	16	32	- / - \| 640	512 MB	GDDR3	1800 MHz	256 bit	95 W	2008
ATi	Radeon HD 4830 (chip only)	RV770	575 MHz	16	32	- / - \| 640	- MB	-	1800 MHz	256 bit	- W	2008
Sapphire	Radeon HD 4850	RV770	625 MHz	16	40	- / - \| 800	512 MB	GDDR3	2000 MHz	256 bit	110 W	2008
Asus	Radeon HD 4870 1GB	RV770	750 MHz	16	40	- / - \| 800	1024 MB	GDDR5	3600 MHz	256 bit	150 W	2008
Asus	Radeon HD 4870 512MB	RV770	750 MHz	16	40	- / - \| 800	1024 MB	GDDR5	3600 MHz	256 bit	150 W	2008
Asus	Radeon HD 4890	RV790	850 MHz	16	40	- / - \| 800	1024 MB	GDDR5	3900 MHz	256 bit	190 W	2009
Sapphire	Radeon HD 4890 OC	RV790	900 MHz	16	40	- / - \| 800	1024 MB	GDDR5	4000 MHz	256 bit	190 W	2009